why are brands avoiding this technology?

Diesel-based plug-in hybrid engines offer significant savings. Why are they struggling to establish themselves?

Remember: ten years ago, the PSA Peugeot Citroën group launched the first diesel hybrid engine as standard with the HDi HYbrid4 engine, which combines a diesel engine with an electric motor to reduce fuel consumption and increase driving pleasure, with an all-wheel drive transmission.

A few years later, Volvo released the first engine for its V60. plug-in diesel hybridfollowed by Mercedes with “300 de” and “350 de” engines for the C, E, GLC and GLE classes: versions still offered in the German manufacturer’s catalog.

Diesel hybrid: the best of both worlds?

With the advent of recharging the battery of diesel hybrid engines, the latter can achieve significant savings if there is an electrical recharging solution, such as a terminal or wall box, at home or at work. .

Daily trips of several tens of kilometers can be made in 100% electric mode, while maintaining versatility of a diesel heat engine, more sober than its petrol counterpart, for the longest journeys: therefore the best of both worlds. But why aren’t manufacturers interested in this?

Diesel hybrid: expensive technology

Diesel engine emits less CO2 than a gasoline engine, but emits more NOx, oxides of nitrogen, which were so condemned after the scandal diesel gate including in particular Volkswagen… In order to reduce NOx emissions in the latest generation of diesel engines, it is necessary to use very expensive cleaning technologies which, of course, will affect the final price of the car.

Add to that the cost of hybridisation, including in particular electric motorisation and its battery, which are already very expensive when combined with petrol motorisation, and you can see why the diesel hybrid struggles to impose itself. After all, except for professional buyers, these models are not popular with private customers.

Diesel hybrid: the future is at stake

Moreover, the future Euro 7 standardexpected by 2025, could well sign the death warrant for diesels, even if nothing is official yet.

In this context, it is difficult for a manufacturer to invest in a technology that risks being banned in the short term… This is how brands have been Massively focuses on electricalsome have even stopped developing new heat engines, such as Volvo or Audi.

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